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Finding the Fourth Proportional to 474,359.02, 654,238.65 and 358,459.54

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Solution

The fourth proportional to 474,359.02, 654,238.65 and 358,459.54 is: 494,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,359.02 : 654,238.65 = 358,459.54 : x
  2. Step 2: Convert to fraction form
    474,359.02/654,238.65 = 358,459.54/x
  3. Step 3: Cross multiply
    474,359.02x = 654,238.65 × 358,459.54
  4. Step 4: Simplify right side
    474,359.02x = 234,518,085,529.22
  5. Step 5: Solve for x
    x = 234,518,085,529.22/474,359.02
  6. Step 6: Final answer
    x = 494,389.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.